Frequency: The word is one of the 3000 most common words in English.
1.
If you say that something ~ happens or that you ~ do a particular thing, you mean that it is what usually happens or what you usually do.
All airports in the country are working ~ today...
Social progress is ~ a matter of struggles and conflicts...
Normally, the transportation system in Paris carries 950,000 passengers a day.
ADV: ADV with v, ADV with cl/group
2.
If you do something ~, you do it in the usual or conventional way.
She would apparently eat ~ and then make herself sick.
...failure of the blood to clot ~.
ADV: ADV after v